PHP

PHP — the server-side programming language powering over 80% of the web — is now at version 7.1. As an interpreted (as opposed to compiled) language, PHP code is executed in run-time meaning there is no slow compilation step — changes you make in code are visible instantly, and it is this quick feedback loop that allows for PHP’s speed of use.

If you’re just getting started with PHP, here are some introductory materials to get you up to speed: